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at or in the vicinity of the airfield during the defined period. A warning stating that ‘Thunderstorms are likely to affect the airfield at times’ should be used to infer that there is at least a 40% probability for a thunderstorm to occur at or in the vicinity of the airfield during the defined

and help reduce the impacts from the hazards that severe convection generates. 4) Science for Services: this activity could provide a foundation for the development of prototype services that deal specifically around the hazards severe convection produce. To achieve this activity, at least 1 FTE would be required per year, though to get the maximum value 2.5FTE over 3 years would be more appropriate.

to see temperatures in excess of 30°C in June – we can expect to see at least one day where a temperature of over 30 °C is recorded in three years out of ten. The last time we saw temperatures exceed 30 degrees in June was 30th June 2015 when temperatures reached 30.5 at Northolt, London during

, and Wales and southern England seeing the least (89% and 97% respectively). UK statistical summary Mean temperature Rainfall Sunshine The provisional mean value for Autumn is 9.92°C, which is 0.2°C above the 1991-2020 average. The provisional total for Autumn is 301.5 mm, which is 90% of the 1991-2020 average. The provisional total for Autumn is 263.9 hours, which is 95% of the 1991-2020 average.

and information analysis cent of the U.S. Department of Energy. The CDIAC data are automatically reformatted and sent to the World Data Centre for Greenhouse Gases (WDCGG, http://ds.data.jma.go.jp/gmd/wdcgg/) which is one of the WDCs under the GAW programme that serve to gather, archive and provide

© Crown Copyright 2023, Met Office Welcome and Introductions to MOUF www.metoffice.gov.uk © Crown Copyright 2020, 2023, Met Office Today’s Session: 11:00 Welcome and Introductions 11:15 International Activities 11:45 Finances 12:00 National Aviation Service 12:30 Lunch & Ops Centre Tour – Photo

additional site/s. Mole fraction data from Mace Head are submitted to the Carbon Dioxide Information Analysis Center (CDIAC, http://cdiac.ornl.gov) every six months. CDIAC is the primary climate-change data and information analysis centre of the U.S. Department of Energy. CDIAC data are automatically

the Customer Centre on: Tel: 0370 900 0100 Fax: 0370 900 5050 Email: [email protected] If you are outside the UK: Tel: +44 330 135 0000 Fax: +44 330 135 0050 Introduction A thunderstorm can be described as one or more sudden electrical discharges, manifested by a flash of light (lightning

Office is able to produce accurate short-term weather forecasts and provide several other important services, not least of which is that given to the civil aviation industry. As one of only two World Area Forecast Centres, we have the ability to provide global forecasts of upper winds and temperatures

at least southern and perhaps central regions bringing cloud, additional rainfall and the risk of a few thunderstorms. Further north it will likely be brighter will a greater influence of higher pressure to the north of the UK. Met Office Deputy Chief Meteorologist, Nick Silkstone, explains